[M] change sns link function

sdk-intergration/Packages/tysdk/Runtime/TYSdkModel.cs

@@ -12,7 +12,6 @@ namespace tysdk
         Apple,
         none
     }
-    
 
     public class LoginInfo
     {
@@ -25,7 +24,13 @@ namespace tysdk
 
     public class LinkResult
     {
-        public bool isSuccess;
+        // 0: success, 1: fail, -1 exists
+        public int code;
+        // when success and fail userId is current user
+        // when exists userId is 0
+        public int userId;
+        // not none when exists
+        public string bindInfo;
     }
 
     public class LinkCheckInfo